When there is water pollution, how does it affect the breathing of fishes
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as it blocks oxygen supply to fishes.
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Microbes present in water star digesting (decomposing) pollutants.
In this process microbes require oxygen for decomposition so level of oxygen in water decreases.
This is also know as BOD—Biological Oxygen Demand
Level of oxygen decreases so fish and other organisms die
In this process microbes require oxygen for decomposition so level of oxygen in water decreases.
This is also know as BOD—Biological Oxygen Demand
Level of oxygen decreases so fish and other organisms die
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